Trout, N. D., & Ullman, G. L. (1997). Devices and technology to improve flagger/worker safety. Texas Transportation Institute, Texas A&M University System ; [Available through the National Technical Information Service].
Chicago Style (17th ed.) CitationTrout, Nada D., and Gerald L. Ullman. Devices and Technology to Improve Flagger/worker Safety. College Station, Tex. : [Springfield, Va.]: Texas Transportation Institute, Texas A&M University System ; [Available through the National Technical Information Service], 1997.
MLA (9th ed.) CitationTrout, Nada D., and Gerald L. Ullman. Devices and Technology to Improve Flagger/worker Safety. Texas Transportation Institute, Texas A&M University System ; [Available through the National Technical Information Service], 1997.
Warning: These citations may not always be 100% accurate.